<template>
  <div>
     <!-- 面包屑导航区 -->
  <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>商品管理</el-breadcrumb-item>
  <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>
  <el-card>
    <el-row :gutter="20">
      <el-col :span="11">
      <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
      <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
      </el-input>
      </el-col>
      <el-col :span="5">
      <el-button type="primary" @click="goAddPage">添加商品</el-button>
      </el-col>
    </el-row>
    <!-- 表格区域 -->
    <el-table :data="goodsList" border stripe>
      <el-table-column type="index" label="#"></el-table-column>
      <el-table-column prop="goods_name" label="商品名称"></el-table-column>
      <el-table-column prop="goods_price" label="商品价格(元)" width="70px"></el-table-column>
      <el-table-column prop="goods_weight" label="商品重量" width="50px"></el-table-column>
      <el-table-column prop="add_time" label="创建时间" width="95px">
        <template slot-scope="scope">
          {{scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column  label="操作" width="120px">
        <template slot-scope="scope">
          <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
          <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
      </el-table-column>
    </el-table>
     <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
  </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      //查询参数对象
      queryInfo:{
        query:'',
        pagenum:1,
        pagesize:10,
      },
      // 商品列表
      goodsList:[],
      // 商品列表总数
      total:'',
    }
  },
  methods: {
    // 根据分页获取对应的商品列表数据
    async getGoodsList(){
      const { data: res } = await this.$http.get('goods',{params:this.queryInfo})
      if(res.meta.status !== 200) return this.$message.error('查询商品列表数据失败！')
      // this.$message.success('获取商品列表成功！')
      this.goodsList=res.data.goods
      this.total=res.data.total
      console.log(res.data);
    },
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getGoodsList()
    },
    handleCurrentChange(newNum){
      this.queryInfo.pagenum=newNum
      this.getGoodsList()
    },
    async removeById(id){
      const confirmResult = await this.$confirm('此操作将永久删除商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
      if(confirmResult!== 'confirm'){
        return this.$message.error('已取消确认删除！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if(res.meta.status!==200){
        return this.$message.error('删除商品失败！')
        }
        this.$message.success('删除商品成功！')
        this.getGoodsList()
    },
    // 跳转添加商品页面
    goAddPage(){
      this.$router.push('/goods/add')
    }
  },
  created(){
    this.getGoodsList()
  }
}
</script>